8.4’ DiamondVue User Guide 150.028
Trouble
Troubleshooting Tip
Screen is blank.
•
Screen saver activated.
•
Video Cable problem. Check for proper installation
•
Change video cable
•
Faulty video display. Needs Service
Image is dim, even with brightness
and contrast controls set full UP.
•
Video cable problem.
•
Check for proper installation of cables
•
Faulty video source
•
Faulty display
Image not centered
Reset the horizontal and vertical positioning using the
on-screen menu. Check to see if video source is
operating within the monitor’s range.
Image will not adjust
Video timing outside of range. Use the on-screen menu
to ad just the Clock Setting.
Make sure timing is within VESA standard.
Image is not stable.
Monitor has incorrect or bad sync signals.
Check for proper video cable installation.
Replace suspected faulty cable.
Check to ensure that video source is operating within the
display’s range.
Vertical shaded bars on screen
image
Horizontal size not properly adjusted.
Adjust horizontal size settings.
Colors are missing
•
Faulty video cable.
•
Missing from video source. Connect video source to
another display.
Screen jitter or noisy display
•
Monitor clock phase not properly adjusted.
•
Video cable problem
•
External noise interference.
Slight distortion in text or Graphics. Not working in native resolution.
Display is present but “bars”
appear or roll across screen
Ground loop problem between computer and display
Interference from adjacent equipment.
The background looks acceptable
but text and icons seem to be
missing rows of pixels
Video running interlace mode.
Troubleshooting Cont.
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